Cooling rack



FIG. 1 is a first perspective view of a cooling rack showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is atop view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is an enlarged view of the selected portion in FIG. 1 ; and,

FIG. 10 is an enlarged view of the selected portion in FIG. 2 . 

CLAIM The ornamental design for a cooling rack, as shown and described. 